announcer ] it's practically yours. test drive! but we still need your signature. volkswagen sign then drive is back. and it's never been easier to get a jetta. that's the power of german engineering. get $0 down, $0 due at signing, $0 deposit, and $0 first month's payment on any new volkswagen. visit vwdealer.com today. >>> former president bill clinton's familiarity with painkillers goes back to when he lived in the white house. have you ever been prescribed a medication like this? >> well, i did take some painkillers when i tore my -- 90% of my quadracep, but i tried to be very careful and i was in a lot of pain. >> and years after leaving the oval office, he once again would need pain pills. he says he and his doctors were cautious. >> after my heart surgery, you know, i hurt pretty bad for three weeks so i got some medicine, but i really tried to get off it as quick as i could and my doctors were really good about it, you know, telling me, take this if it's killing you, but be careful. >> poison center, this is rosie. >> be careful, it's warning that might prevent call after call pourin